291_Ascension_United Kingdom of Great Britain and Northern Ireland (the)
Datum	Value	Description
Status	14-Nov-2022	Processing Date
Epoch	01-Jan-2002 to 20-May-2017	Tidal Datum Analysis Period
MHHW	0.358	Mean Higher-High Water (m)
MHW	0.286	Mean High Water (m)
MTL	-0.035	Mean Tide Level (m)
MSL	-0.034	Mean Sea Level (m)
DTL	-0.023	Mean Diurnal Tide Level (m)
MLW	-0.356	Mean Low Water (m)
MLLW	-0.403	Mean Lower-Low Water (m)
STND	0.000	Station Datum (m)
GT	0.760	Great Diurnal Range (m)
MN	0.642	Mean Range of Tide (m)
DHQ	0.072	Mean Diurnal High Water Inequality (m)
DLQ	0.047	Mean Diurnal Low Water Inequality (m)
HWI	Unavailable	Greenwich High Water Interval (in hours)
LWI	Unavailable	Greenwich Low Water Interval (in hours)
Maximum	0.866	Highest Observed Water Level (m)
Max Date & Time	14-Mar-2013 19	Highest Observed Water Level Date and Hour (LST)
Minimum	-0.828	Lowest Observed Water Level (m)
Min Date & Time	25-Feb-2013 10	Lowest Observed Water Level Date and Hour (LST)
HAT	0.693	Highest Astronomical Tide (m)
HAT Date & Time	28-Mar-2002 18	HAT Date and Hour (LST)
LAT	-0.667	Lowest Astronomical Tide (m)
LAT Date & Time	17-Oct-2016 13	LAT Date and Hour (LST)
LEV	Unavailable	Switch 1 (m)
LEVB	Unavailable	Switch 2 (m)